66 MALVACEJE. (MALLOW FAMILY.) 



1. AL.TIIJEA, L. MARSH-MALLOW. 



Calyx surrounded by a 6- 9-clcft involuccl. Othcnvisc as in Malvu. (Name 

 from ttA$o), to cure, in allusion to its healing properties.) 



1. A. OFFICINALIS, L. (COMMON MARSH-MALLOW.) Stem erect; leaves 

 ovate or slightly heart-shaped, toothed, sometimes 3-lobed, velvety-downy : pe- 

 duncles axillary, many -flowered, y. Salt marshes, coast of New England and 

 New York. Aug., Sept. Flowers pale rose-color. Hoot thick, abounding in 

 mucilage, the basis of the Pdtes de Guimauve. (Nat. from Eu.) 



A. R6SEA, and A. FICIFJOLIA, are the well-known garden HOLLYHOCKS. 



2. MAL.VA, L. MALLOW. 



Calyx with a 3-leaved involucel at the base, like an outer calyx. Petals ob- 

 cordate. Styles numerous, stigmatic down the inner side. Fruit depressed, 

 separating at maturity into as many 1 -seeded and indehisccnt round kidney- 

 shaped blunt carpels as there are styles. Radicle pointing downwards. (An 

 old Latin name, from /iaXa^?;, soft, alluding to the emollient leaves.) 



1. M. ROTUNDir6LiA, L. (COMMON MALLOW.) Stems short, simple, de- 

 cumbent from a deep biennial or perennial root ; leaves round-heart-shaped, on 

 very long petioles, crenate, obscurely lobed ; petals twice the length of the calyx, 

 whitish; carpels pubescent, even. Way-sides and cultivated grounds; com- 

 mon. (Nat. from Eu.) 



2. M. SYLVESTRIS, L. (HIGH MALLOW.) Stem erect, branched (2 -3 

 high); leaves rather sharply 5 -T -lobed; petals thrice the length of the calyx, 

 large, purple and rose-color; carpels wrinkled- veiny. 1J. Way-sides. (Adv. 

 from Eu.) 



M. CRfspA, the CURLED MALLOW, and M. MOSCHATA, the MUSK. MALLOW, 

 are occasionally spontaneous around gardens. 



3. CALLIRRHOE, Nutt. CALLIRRHOE. 



Calyx either naked or with a 3-leaved involucel at its base. Petals wedge- 

 shaped and truncate (usually red-purple). Styles, &c. as in Malva. Carpels 

 10-20, straight ish, with a short empty beak, separated within from the 1-seedcd 

 cell by a narrow projection, indchiscent or partly 2-valvcd. Radicle pointing 

 downwards. Flowers perfect. 



1. C. trimiglllsitsi, Gray. Hairy-pubescent; stems nearly erect (2 

 high) from a tuberous root ; leaves triangular or halberd-shaped, or the lowest 

 rather h^art-shaped, coarsely crenate ; the upper incised or 3 - 5-clcft ; flowers 

 panidcd, short-pcdicelled (purple) ; involucel as long as the calyx ; carpels short- 

 pointed, crcstless. (Malva triangulata, Lcavemvorth. M. Houghtonii, Toi*r. $' 

 Gray.) Dry prairies, Wisconsin, Illinois, and southward. July. 



2. C alcaeoIdCS) Gray. Strigosc-pubescent ; stems slender (1 high) ; 

 lower leaves triangular-heart-shaped, incised ; the upper 5-7-parted, hu-iniate, 

 the uppermost divided into linear segments ; flowers corymbose, on slender pe- 



